---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32390 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 684 8155 4 7149 14962 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:32:5e:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83814sec preferred_lft 83814sec inet6 fe80::f816:3eff:fe32:5ed0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:00:bc:59:d6:07 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32390) 07/02/26 _x86_64_ (4 CPU) 13:11:00 LINUX RESTART (4 CPU) 13:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:15 22.10 0.07 19.52 2.51 6.47 2130.08 17106.05 13:40:33 31.31 0.03 28.19 3.09 0.43 4303.94 23849.07 13:50:01 26.13 0.31 9.80 16.01 12.20 7667.08 243477.79 Average: 26.53 0.13 19.43 6.97 6.20 4621.76 90805.57 13:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:15 9398428 13277488 2678764 16.36 148184 3832272 2761444 15.85 790080 5753548 25136 13:40:33 7720608 12605868 3345852 20.44 167104 4775396 3313296 19.02 1069452 7111920 232 13:50:01 8393000 15353372 591844 3.61 182804 6768180 1122640 6.44 1822620 5603340 26512 Average: 8504012 13745576 2205487 13.47 166031 5125283 2399127 13.77 1227384 6156269 17293 13:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:15 lo 1122.83 1122.83 1062.75 1062.75 0.00 0.00 0.00 0.00 13:30:15 ens3 44.61 33.81 44.27 11.18 0.00 0.00 0.00 0.00 13:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:33 lo 1296.59 1296.59 1231.07 1231.07 0.00 0.00 0.00 0.00 13:40:33 ens3 48.00 35.71 26.12 12.80 0.00 0.00 0.00 0.00 13:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 2681.12 2681.12 9812.61 9812.61 0.00 0.00 0.00 0.00 13:50:01 ens3 34.59 32.57 136.19 206.28 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1673.84 1673.84 3879.77 3879.77 0.00 0.00 0.00 0.00 Average: ens3 42.61 34.07 67.03 73.26 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32390) 07/02/26 _x86_64_ (4 CPU) 13:11:00 LINUX RESTART (4 CPU) 13:20:00 CPU %user %nice %system %iowait %steal %idle 13:30:15 all 65.17 0.00 2.21 0.04 0.09 32.49 13:30:15 0 64.27 0.00 2.39 0.04 0.09 33.20 13:30:15 1 64.80 0.00 2.23 0.02 0.09 32.86 13:30:15 2 65.16 0.00 2.08 0.04 0.09 32.63 13:30:15 3 66.45 0.00 2.14 0.04 0.09 31.28 13:40:33 all 56.19 0.00 2.31 0.11 0.09 41.30 13:40:33 0 56.86 0.00 2.66 0.20 0.09 40.19 13:40:33 1 53.75 0.00 2.25 0.04 0.09 43.86 13:40:33 2 57.35 0.00 2.43 0.06 0.09 40.07 13:40:33 3 56.80 0.00 1.90 0.14 0.08 41.07 13:50:01 all 33.81 0.00 1.31 0.14 0.07 64.67 13:50:01 0 36.49 0.00 0.96 0.21 0.07 62.27 13:50:01 1 36.73 0.00 1.35 0.01 0.07 61.84 13:50:01 2 34.98 0.00 1.52 0.27 0.08 63.15 13:50:01 3 27.03 0.00 1.41 0.08 0.07 71.41 Average: all 52.19 0.00 1.96 0.09 0.08 45.67 Average: 0 52.95 0.00 2.03 0.15 0.09 44.78 Average: 1 52.15 0.00 1.96 0.02 0.09 45.78 Average: 2 52.96 0.00 2.03 0.12 0.08 44.81 Average: 3 50.70 0.00 1.83 0.09 0.08 47.31